Spectroscopy — Manganese oxide and urea-assisted engineering of nickel-iron compounds for high-performance battery-supercapacitor hybrid devices

Measurement evidence

Spectroscopy

Manganese oxide and urea-assisted engineering of nickel-iron compounds for high-performance battery-supercapacitor hybrid devices · Dong S.-F., Cheshideh H., Kongvarhodom C. et al. · Journal of Environmental Chemical Engineering · 2025 · 117142

1 measurement group · 2 results

Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.

X-ray photoelectron spectroscopy (XPS, Al K alpha)

X-ray photoelectron spectroscopy

NiFe-Mn3 · Electrode

Survey, Ni 2p, Fe 2p, O 1s and Mn 2p spectra; compared with NiFe.

Context: composite
Measurement source: 4, 6 · 2.4; 3.1 · Fig. 2b-i

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Mn oxidation states	Mn 2p fitted as Mn2+, Mn3+ and Mn4+ in NiFe-Mn3	—	—	Text Qualitative	6 · 3.1 · Fig. 2i
Ni and Fe oxidation states	Ni and Fe fitted as 2+ and 3+ states; Fe ratio similar for NiFe and NiFe-Mn3	—	—	Text Qualitative	6 · 3.1 · Fig. 2c-f